898765456543212 has 48 divisors (see below), whose sum is σ = 2104565219326080. Its totient is φ = 298524832560768.

The previous prime is 898765456543211. The next prime is 898765456543223. The reversal of 898765456543212 is 212345654567898.

898765456543212 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (898765456543211) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201839464 + ... + 206244272.

It is an arithmetic number, because the mean of its divisors is an integer number (43845108735960).

Almost surely, 2^{898765456543212} is an apocalyptic number.

It is an amenable number.

898765456543212 is an abundant number, since it is smaller than the sum of its proper divisors (1205799762782868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

898765456543212 is a wasteful number, since it uses less digits than its factorization.

898765456543212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465182 (or 4465180 counting only the distinct ones).

The product of its digits is 3483648000, while the sum is 75.

The spelling of 898765456543212 in words is "eight hundred ninety-eight trillion, seven hundred sixty-five billion, four hundred fifty-six million, five hundred forty-three thousand, two hundred twelve".